<template>
  <!-- eslint-disable -->
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>     
    </el-breadcrumb>

    <!-- 卡片视图区 -->
    <el-card >     
      <el-row :gutter="30">
        <el-col :span="10">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">       
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区 -->
      <el-table border stripe :data="userlist">
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch @change="userStateChange(scope.row)" v-model="scope.row.mg_state">
            </el-switch>
          </template>
</el-table-column>
<el-table-column label="操作">
    <template slot-scope="scope">
    <!-- 修改按钮 -->
    <el-button @click="showEditDialog(scope.row.id)" type="primary" icon="el-icon-edit" size="mini"></el-button>
    <!-- 删除按钮 -->
    <el-button @click="removUserById(scope.row.id)" type="danger" icon="el-icon-delete"  size="mini"></el-button>
    <!-- 分配角色 -->
    <el-tooltip :enterable="false"  effect="dark" content="分配角色" placement="top">
      <el-button @click="setRole(scope.row)" type="warning" icon="el-icon-setting"  size="mini"></el-button>
    </el-tooltip>
    
  </template>
</el-table-column>
</el-table>
<!-- 分页区 -->
<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5,10]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
</el-pagination>
</el-card>

<!-- 添加用户的对话框 -->
<el-dialog @close="addDialogClosed" title="添加用户" :visible.sync="addDialogVisible" width="50%">
    <!-- 内容主体区 -->
    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
            <el-input type="password" v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
    </el-form>
    <!-- 底部区 -->
    <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
</el-dialog>

<!-- 修改用户的对话框 -->
<el-dialog @close="editDialogClosed" title="修改用户" :visible.sync="editDialogVisible" width="50%">
    <!-- 内容主体 -->
    <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
    </el-form>
    <!-- 尾部区 -->
    <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>

<!-- 分配角色的对话框 -->
<el-dialog @close="setRoleDialogClosed" title="分配角色" :visible.sync="setRoleVisible" width="50%">
    <div>
        <p>当前的用户: {{userInfo.username}}</p>
        <p>当前的角色: {{userInfo.role_name}}</p>
        <p>分配新角色:
            <el-select v-model="selectRoleId" placeholder="请选择">
                <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
                </el-option>
            </el-select>
        </p>
    </div>
    <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleVisible = false">取 消</el-button>
    <el-button type="primary" @click="savaRoleInfo">确 定</el-button>
  </span>
</el-dialog>

</div>
</template>

<script>
    export default {

        data() {
            // 验证邮箱的规则
            var checkEmail = (rule, value, cb) => {
                    const regEmail = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/
                    if (regEmail.test(value)) {
                        // 合法的邮箱
                        return cb()
                    }
                    cb(new Error("请输入合法的邮箱"))
                }
                // 验证手机号的验证规则
            var checkMobile = (rule, value, cb) => {
                const regMobile = /^1[3|4|5|7|8]\d{9}$/
                if (regMobile.test(value)) {
                    return cb()
                }
                cb(new Error("请输入合法的手机号"))
            }
            return {
                // 获取用户列表的参数对象
                queryInfo: {
                    query: '',
                    // 当前页码
                    pagenum: 1,
                    // 当前每页显示多少条数据
                    pagesize: 2
                },
                userlist: [],
                total: 0,
                // 控制添加用户对话框的添加与隐藏
                addDialogVisible: false,
                // 添加用户的表单数据
                addForm: {
                    username: '',
                    password: '',
                    email: '',
                    mobile: ''
                },
                // 添加表单的验证规则对象
                addFormRules: {
                    username: [{
                        required: true,
                        message: '请输入用户名',
                        trigger: 'blur'
                    }, {
                        min: 3,
                        max: 10,
                        message: '用户名长度在 3 到 10 个字符',
                        trigger: 'blur'
                    }],
                    password: [{
                        required: true,
                        message: '请输入密码',
                        trigger: 'blur'
                    }, {
                        min: 6,
                        max: 15,
                        message: '密码长度在 6 到 15个字符',
                        trigger: 'blur'
                    }],
                    email: [{
                        required: true,
                        message: '请输入邮箱',
                        trigger: 'blur'
                    }, {
                        validator: checkEmail,
                        trigger: 'blur'
                    }],
                    mobile: [{
                        required: true,
                        message: '请输入手机号',
                        trigger: 'blur'
                    }, {
                        validator: checkMobile,
                        trigger: 'blur'
                    }]
                },
                // 控制修改用户对话框的显示与隐藏
                editDialogVisible: false,
                // 查询到的用户信息对象
                editForm: {},
                // 修改表单的验证规则对象
                editFormRules: {
                    email: [{
                        required: true,
                        message: '请输入邮箱',
                        trigger: 'blur'
                    }, {
                        validator: checkEmail,
                        trigger: 'blur'
                    }],
                    mobile: [{
                        required: true,
                        message: '请输入手机号',
                        trigger: 'blur'
                    }, {
                        validator: checkMobile,
                        trigger: 'blur'
                    }]
                },
                // 控制分配角色对话框的显示与隐藏
                setRoleVisible: false,
                // 需要被分配角色用户信息
                userInfo: [],
                // 所有角色的数据列表
                rolesList: [],
                // 已选择的角色id值
                selectRoleId: ''
            }
        },
        created() {
            this.getUserList()
        },
        methods: {
            async getUserList() {
                const {
                    data: res
                } = await this.$http.get("users", {
                    params: this.queryInfo
                })
                if (res.meta.status != 200) return this.$message.error("获取用户列表失败!")
                this.userlist = res.data.users
                this.total = res.data.total
                console.log(res);
            },
            //  监听pagesize改变的事件
            handleSizeChange(newSize) {
                // console.log(newSize);
                this.queryInfo.pagesize = newSize
                this.getUserList()
            },
            // 监听页码值改变的事件
            handleCurrentChange(newPage) {
                console.log(newPage);
                this.queryInfo.pagenum = newPage
                this.getUserList()
            },
            // 监听switch开关状态的改变
            async userStateChange(userinfo) {
                console.log(userinfo);
                const {
                    data: res
                } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
                if (res.meta.status !== 200) {
                    userinfo.mg_state = !userinfo.mg_state;
                    return this.$message.error("更新用户状态失败")
                }
                this.$message.success("更新用户状态成功")
            },
            // 监听添加用户对话框的关闭事件
            addDialogClosed() {
                this.$refs.addFormRef.resetFields()
            },
            // 点击按钮添加新用户
            addUser() {
                this.$refs.addFormRef.validate(async valid => {
                    if (!valid) return
                        // 可以发起添加用户的网络请求
                    const {
                        data: res
                    } = await this.$http.post("users", this.addForm)
                    if (res.meta.status != 201) {
                        this.$message.error("添加用户失败")
                    }
                    this.$message.success("添加用户成功");
                    // 隐藏添加用户的对话框
                    this.addDialogVisible = false;
                    // 重新获取用户列表数据
                    this.getUserList()
                })
            },
            // 展示编辑用户的对话框
            async showEditDialog(id) {
                // console.log(id);
                const {
                    data: res
                } = await this.$http.get("users/" + id)
                if (res.meta.status != 200) {
                    return this.$message.error("查询用户信息失败")
                }
                this.editForm = res.data
                this.editDialogVisible = true
            },
            // 监听修改用户对话框的关闭事件
            editDialogClosed() {
                this.$refs.editFormRef.resetfields
            },
            // 修改用户信息并提交
            editUserInfo() {
                this.$refs.editFormRef.validate(async(valid) => {
                    // console.log(valid);
                    if (!valid) return
                        // 发送修改用户信息的数据请求
                    const {
                        data: res
                    } = await this.$http.put("users/" + this.editForm.id, {
                        email: this.editForm.email,
                        mobile: this.editForm.mobile
                    })
                    if (res.meta.status != 200) {
                        return this.$message.error("更新用户信息失败")
                    }
                    // 关闭对话框
                    this.editDialogVisible = false;
                    // 刷新数据列表
                    this.getUserList();
                    // 提示修改成功
                    this.$message.success("更新数据数据成功")
                })
            },
            // 根据id删除对应的用户信息
            async removUserById(id) {
                // console.log(id);
                // 弹框询问用户是否删除数据
                const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                        confirmButtonText: '确定',
                        cancelButtonText: '取消',
                        type: 'warning'
                    }).catch(err => err)
                    // 如果用户确认删除则返回值为字符串confirm
                    // 如果用户取消删除则返回值为字符串cancle
                    // console.log(confirmResult)
                if (confirmResult != 'confirm') {
                    return this.$message.info("已取消删除")
                }
                // console.log("确认了删除");
                const {
                    data: res
                } = await this.$http.delete("users/" + id)
                if (res.meta.status != 200) {
                    return this.$message.error("删除用户失败")
                }
                this.$message.success("删除用户成功")
                this.getUserList()
            },
            // 展示分配角色的对话框
            async setRole(userInfo) {
                this.userInfo = userInfo
                    // 在展示对话框之前获取所有角色列表
                const {
                    data: res
                } = await this.$http.get("roles")
                if (res.meta.status != 200) {
                    return this.$message.error("获取角色列表失败")
                }
                this.rolesList = res.data


                this.setRoleVisible = true
            },
            // 点击按钮分配角色
            async savaRoleInfo() {
                if (!this.selectRoleId) {
                    return this.$message.error("请选择要分配的角色")
                }
                const {
                    data: res
                } = await this.$http.put(`users/${this.userInfo.id}/role`, {
                    rid: this.selectRoleId
                })
                if (res.meta.status != 200) {
                    return this.$message.error("更新角色失败")
                }
                this.$message.success("更新角色成功")
                this.getUserList()
                this.setRoleVisible = false
            },
            // 监听分配角色对话框关闭事件
            setRoleDialogClosed() {
                this.selectRoleId = ''
                this.userInfo = ''
            }

        },
    }
</script>


<style lang="less" scoped>

</style>